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Abstract

We have observed transition radiation at optical wavelengths, emitted by 3-13 MeV electrons interacting with a diffracting grating. Near the direction of specular reflection we observed broad-band radiation with the same properties as optical transition radiation from a flat surface. In addition, at large angles with respect to this direction and for low angles of incidence of the electrons on the grating surface, we observed emission quasi-monchromatic radiation. This Grating Transition Radiation may offer a new method for production of quasi-monchromatic radiation in the far infrared to mm wavelength range.

Additional information

Authors: PASCAL H, IRMM, JRC-GEEL, (BE);OLIVIER H, IRMM, JRC-GEEL, (BE);RULLHASEN P, IRMM, JRC-GEEL, (BE);MAENE N, VITO, Mol (BE);MONDELAERS W, RUG, Gent (BE)
Bibliographic Reference: Paper presented: Physica Review B, (1999)
Availability: Available from Public Relations and Publications Unit, Ispra (IT)
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